As fantasy football owners know, any player can get injured at any time. But certain players seem to come up lame more often than others -- and at the most inopportune points in the season. The Fantasy Source experts look at 20 of the biggest injury risks going forward. For more position rankings, stat projections, game matchups and more, get Fantasy Source Football free for 30 days!

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Seahawks WR Percy Harvin

Harvin has missed the entire season because of a hip injury, and it's unclear when -- or if -- he'll return. Fantasy owners should consider anything they get from Harvin a bonus.

Wilson has no significant injury history, but he's already taken 27 sacks -- just six fewer than he took all of last season. Throw in the hits he absorbs on scrambles, and the 5-11, 206-pound Wilson might not hold up.